We have something of a history of Engadget editors writing books on tech-related topics, and our esteemed Managing Editor (and Guinness World Record-holder) Darren Murph is the latest to join the club. He's written a book in which he'll enlighten you on some of the inner workings of Apple's favorite tablet -- and he won't call you a Dummy in the process. Heck, the publisher was thoughtful enough to put the man's signature right there on the cover, so if you're not sati